Open AccessAll-fiber mode-locked nanosecond laser employing intracavity chirped fiber gratings
Author(s) -
Hushan Wang,
Yishan Wang,
Wei Zhao,
Wei Zhang,
Ting Zhang,
Xiaohong Hu,
Zhi Yang,
Hongjun Liu,
Kailiang Duan,
Xuemin Liu,
Cheng Li,
Deyuan Shen,
Shiping Zhan,
Bin Liu
Publication year - 2010
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.18.007263
Subject(s) - materials science , optics , fiber laser , nanosecond , dispersion shifted fiber , fiber bragg grating , polarization maintaining optical fiber , mode locking , dispersion (optics) , laser , optoelectronics , optical fiber , fiber optic sensor , physics
We demonstrate that nanosecond pulses are generated directly from an all-fiber mode-locked ytterbium-doped fiber laser. A pair of Chirped Fiber Gratings (CFGs) with different sign of dispersion is employed for intracavity dispersion management. Self-starting stabilized mode-locking operation is achieved by nonlinear polarization evolution (NPE). The 1.27 ns pulses are obtained after one CFG with large positive dispersion. The pulse energy is up to 15 nJ at a repetition rate of 3.48 MHz.